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"SOHCAHTOA" is a helpful way to remember the definitions of the trigonometric functions sine, cosine, and tangent. Sine equals opposite over hypotenuse (SOH), cosine equals adjacent over hypotenuse (CAH), and tangent equals opposite over adjacent (TOA).
Contributed by: Ed Pegg Jr (March 2011)
Open content licensed under CC BY-NC-SA
Wolfram Demonstrations Project
Published: March 7 2011